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Cylinder Heads > ►LSC Alum. Heads > BMP 15° LS S/R LS1, LS2, LS6 Aluminum Head
BMP 15° LS S/R LS1, LS2, LS6 Aluminum Head
►LSC Alum. Heads

ALL BMP CYLINDER HEADS ARE PRICED INDIVIDUALLY

Clearly the industry’s most efficient replacement for LS1, LS2, and LS6 cylinder heads, BMP's LS Aluminum casting delivers more power than other aftermarket heads in its category. A number of important features set the BMP LS 15° apart from others, including having the same 15° valve centerline and rocker arm attachment angles to ensure correct valve train geometry when longer valves are employed. The highly efficient 235cc intake (2.080” Valve) and 87cc exhaust ports (1.600 Valve) provide outstanding flow. Available with 64cc combustion chambers only.

Want even more flow and power? BMP offers Aluminum LS 15° heads that are CNC-ported. The intakes have been enlarged to 255cc runners while the exhaust side has also been enhanced. The 2.080" intake valves are still employed. Available as bare castings or in race-ready assemblies that have a multi-angle valve job and radiused exhaust, are equipped with Manley stainless steel valves, high performance springs and Manley chrome moly retainers. Uses stock LS1 rocker arms and OEM stands. CNC'd LS1 heads are available with 74cc Combustion Chambers only.

They’re available bare, or in two different assemblies that are designed to match your camshaft’s valve spring requirements. A multi-angle valve job and Manley stainless steel valves make the assemblies an excellent value and a real time-saver for engine builders.

If you or your engine builder will disassemble and check your heads to assure that they pass standards??

Save time and money and order them unassembled. Just scroll down to the product list below and look for your desired part number and click the option box for your unassembled option!!!


For product assistance, please call (631) 737-0372.


TECHNICAL SPECS

Casting ID Number: WOR-075

Material: 355-T6 alloy high density aluminum
Valve Seats: Intake (hardened), exhaust (hardened)
Valve Guides: Manganese bronze
Valve Angles: Int. 45○ / Ex. 45○
Spring Seats: Machined for 1.560"
Valves: Manley stainless steel valves in assemblies
Valve Diameter: 2.080" intake, 1.600" exhaust (5/16" stem) as cast, 2.080" intake, 1.600" exhaust (5/16" stem) CNC ported
Rocker Arms: Stock OEM LS1 with stock stands
Intake Runner: 235cc, Cathedral port, standard port location
Exhaust Ports: 87cc, standard location
Exhaust Gaskets: Fel Pro 1438
Combustion Chamber: 64cc or 74cc
Spark Plug: 14mm .708" reach tapered style, Accel 526S or equivalent
Valve Job: Multi-angle intake and radiused exhaust
Valve Cover Rail: Raised .300" for aftermarket valvetrain
Valve Angle: Stock 15°
Accessory Bolt Holes: Stock


025150 BMP LS1 225cc Aluminum Head Flow Data

Valve Lift--.300 --.400 --.500 --.600 --.700 --.800
2.080 ------- 209 -- 254 -- 282 -- 304 -- 313 -- 321
1.600 ------- 155 -- 185 -- 204 -- 215 -- 221 -- 223

Methods used: Superflow 600, Flowed at 28" with a bowl blend 1" down, 1" radiused entry plate on the intake port, No exhaust tube, Using Manley Severe Duty valves.

025150C BMP LS1 255cc CNC'd Aluminum Head Flow Data

Valve Lift--.300 --.400 --.500 --.600 --.700 --.800
2.080 ------- 208 -- 268 -- 307 -- 332 -- 345 -- 347
1.600 ------- 169 -- 208 -- 233 -- 246 -- 253 -- 256

Methods used: Superflow 600, Flowed at 28" with full CNC porting, 1" radiused entry plate on the intake port, No exhaust tube, Using Manley Severe Duty valves.

BMP 15° LS1, LS2, LS6
HEAD ASSEMBLY BUYING GUIDE

Use this guide to match your Cam Spring Specs to our Assembled Heads & choose which assembly you need from the choices below. Please Note: Bare Heads contain no Valves.

-2 Assembled Heads: Hydraulic Roller Cam
1.437"": 125 lbs. @ 1.810", 340 lbs. @ 1.210", coil bind @ 1.160"
MAX LIFT @ .600"


-3 Assembled Heads: Solid Roller Cam
1.550": 200 lbs. @ 1.900", 480 lbs. @ 1.200", coil bind @ 1.150", max lift
MAX LIFT @ .700"

BMP 15° LS S/R LS1, LS2, LS6 Aluminum Head
BMP 15° LS S/R LS1, LS2, LS6 Aluminum Head BMP 15° LS S/R LS1, LS2, LS6 Aluminum Head BMP 15° LS S/R LS1, LS2, LS6 Aluminum Head
BMP 15° LS S/R LS1, LS2, LS6 Aluminum Head BMP 15° LS S/R LS1, LS2, LS6 Aluminum Head BMP 15° LS S/R LS1, LS2, LS6 Aluminum Head
 
 
product variations
 
025150 BMP LS1 Chevy Aluminum Head
► 15° Valve Angle
► 235cc Intake Ports
► 64cc Chambers
► 2.080" / 1.600" Valve Seats
► Bare Casting
$554.20
Quantity 
 
 
 
25150-2 BMP LS1 Chevy Aluminum Head
► 15° Valve Angle
► 235cc Intake Ports
► 64cc Chambers
► 2.080" / 1.600" Valves
► For hyd. roller cams
► w/ Manley Valves, 1.437" Springs
► Choose Assembled or Unassembled
Option
$863.12
Quantity 
 
 
 
25150-3 BMP LS1 Chevy Aluminum Head
► 15° Valve Angle
► 235cc Intake Ports
► 64cc Chambers
► 2.080" / 1.600" Valves
► For solid roller cams
w/ Manley Valves, 1.550" Springs, 10° Locks
► Choose Assembled or Unassembled
Option
$850.30
Quantity 
 
 
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